• Centers and Departments
• Back to Diseases and Conditions
• Arrhythmias
• Atrial Fibrillation
• Bradycardia or Low Heart Rate
• Brugada Syndrome
• Long QT Syndrome
• Palpitations
  • Signs and Symptoms
  • Risk Factors
  • Causes
  • Diagnosis
  • Treatments
  • Physicians and Services
• Sudden Death or Cardiac Arrest
• Syncope or Fainting
• Tachycardia or Fast Heart Rate
• Wolff-Parkinson-White Syndrome

Signs and Symptoms

Sensations of Irregular Heartbeat

Signs and symptoms of palpitations include feelings of:

• Skipped heartbeats
  
• Fluttering heartbeats
  
• Fast heartbeats
  
• Fullness in the chest

These symptoms may occur whether you are active or resting as well, and whether you are standing, sitting or lying down.

When to Seek Medical Attention

Prolonged episodes may be associated with:

• Chest pain
  
• Lightheadedness
  
• Shortness of breath
  
• Sweating
  
• Nausea
  
• Vomiting
  
• Fainting

These symptoms should cause you to seek medical attention.